An Airman from the 22nd Maintenance Squadron hydraulics shop, places a nut onto a KC-135 Stratotanker inner fuel tube, July 28, 2015, at McConnell Air Force Base, Kan. The nut is placed and fastened to secure the tube to ensure that nothing is damaged during transportation to another base for a complete rebuild. (U.S. Air Force photo by Airman 1st Class Christopher Thornbury)